47
Sensors
Plug
Sensor
Type
F0
Outside temperature sensor; connect on site.
NTC 10 kΩ
X25 1/2
Flow temperature sensor, primary circuit
Pt500A
(PTC)
X25 3/4
Return temperature sensor, primary circuit
Pt500A
(PTC)
F4
Buffer temperature sensor, top; connect on site.
10 kΩ (NTC)
F6
Cylinder temperature sensor, top; connect on site.
10 kΩ (NTC)
F7
Cylinder temperature sensor, bottom; connect on site.
10 kΩ (NTC)
F12
Flow temperature sensor, heating circuit with mixer (M2/HC2); connect on
site.
10 kΩ (NTC)
F13
Flow temperature sensor, system (with sensor well, downstream of heating
water buffer cylinder); connect on site.
10 kΩ (NTC)
F14
Flow temperature sensor, cooling circuit (direct heating circuit A1/HC1 or
separate cooling circuit SKK); connect on site.
10 kΩ (NTC)
F16
Room temperature sensor for separate cooling circuit (required) or for direct
heating/cooling circuit (recommended); connect on site.
10 kΩ (NTC)
F17
Never connect anything here.
X25 13/14
Return temperature sensor, secondary circuit for heat pump stage 2 (if in-
stalled), connect on site.
Pt500A
(PTC)
F20
Boiler water temperature sensor, external heat generator; connect on site.
10 kΩ (NTC)
F8
Flow temperature sensor, secondary circuit
HP stage 1
Pt500A
(NTC)
X25 11/12
Return temperature sensor, secondary circuit
HP stage 1
Pt500A
(NTC)
X25 19/20
Flow temperature sensor, secondary circuit
HP stage 2
Pt500A
(NTC)
aVG
KM BUS
Connection of components on site (cores interchangeable). If more than one
of the following devices are to be connected, use a KM BUS distributor (ac-
cessories).
■
Mixer extension kit (M3/HC3).
■
Vitotrol 200A remote control (set the heating circuit assignment at the re-
mote control)
■
External H1 extension
■
Vitocom 100 communications interface
■
Vitosolic 100/200 solar control units
X24
Connection, LON communication module (plug in on site, see LON commu-
nication module installation instructions)
X31
Coding card slot
Installation sequence
Overview of electrical connections
(cont.)
5549 984 GB
Installation
Summary of Contents for KWT BW 301.B090
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